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Is hypertension a prothrombotic state?
George I Varughese1, Gregory Y H Lip
1Haemostasis Thrombosis and Vascular Biology Unit, University Department of Medicine, City Hospital, Birmingham B18 7QH, UK.
Current Hypertension Reports
|May 26, 2005
Summary
Hypertension increases the risk of thrombosis due to changes in blood components and pathways. While hypertension treatment can partially reverse these changes, antiplatelet therapy is beneficial for high-risk patients.
Area of Science:
- Cardiovascular Medicine
- Hematology
Background:
- Hypertension is frequently complicated by thrombosis-related events like myocardial infarction and stroke.
- Paradoxically, thrombotic occlusive events are more common than hemorrhagic episodes despite high vascular pressures in hypertension.
Purpose of the Study:
- To explore the prothrombotic state induced by hypertension.
- To investigate the impact of hypertension on platelets, endothelium, matrix metalloproteinases, and coagulation/fibrinolytic pathways.
- To assess the reversibility of these changes with hypertension treatment and the role of antithrombotic therapy.
Main Methods:
- Review of existing literature on hypertension and thrombogenesis.
- Analysis of changes in vascular and hematological factors contributing to a hypercoagulable state.
- Evaluation of the efficacy of hypertension management and antithrombotic therapies.
Main Results:
- Hypertension enhances thrombogenesis through alterations in platelets, endothelium, MMPs, and coagulation/fibrinolysis.
- Associated cardiovascular conditions like atrial fibrillation can also activate a prothrombotic state.
- Hypertension treatment can partially reverse prothrombotic changes, though inconsistently.
Conclusions:
- Hypertension creates a prothrombotic state that increases the risk of thrombotic events.
- While treatment can offer some reversal, antiplatelet therapy is specifically recommended for high-risk hypertensive individuals.